Patent holdings for IPC class G01R 33/44

Total number of patents in this class: 1343

10-year publication summary

109
147
115
154
118
108
70
76
42
32
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hyperfine Operations, Inc.
179
108
Halliburton Energy Services, Inc.
20879
90
Schlumberger Technology Corporation
10705
77
Siemens Healthineers AG
6671
71
Koninklijke Philips N.V.
24766
61
Saudi Arabian Oil Company
13091
50
Schlumberger Canada Limited
7293
29
Schlumberger Technology B.v.
5166
28
Services Petroliers Schlumberger
5784
28
Case Western Reserve University
1813
17
Aramco Services Company
3955
16
T2 Biosystems, Inc.
119
15
Synaptive Medical Inc.
593
15
GE Precision Healthcare LLC
5448
15
Baker Hughes Incorporated
5252
14
The Regents of the University of California
19898
12
Hyperfine Research, Inc.
41
12
FUJIFILM Corporation
29350
11
Chevron U.S.A. Inc.
3953
11
Massachusetts Institute of Technology
10051
10
Other owners 653